blank and filled now support stringable (#617)

* blank and filled now support stringable

* chore: Add blank and filled functions for stringable support

* feat: Add tests for blank and filled functions with stringable support

* chore: Update Functions.php to support Stringable interface

---------

Co-authored-by: Deeka Wong <[email protected]>

src/helpers/src/Functions.php

@@ -100,6 +100,10 @@ function blank($value): bool
         return count($value) === 0;
     }
 
+    if ($value instanceof Stringable) {
+        return trim((string) $value) === '';
+    }
+
     return empty($value);
 }
 

tests/Helpers/HelpersTest.php

@@ -9,9 +9,12 @@
  * @contact  [email protected]
  */
 use Hyperf\Contract\ApplicationInterface;
+use Hyperf\Stringable\Stringable;
 
+use function FriendsOfHyperf\Helpers\blank;
 use function FriendsOfHyperf\Helpers\class_namespace;
 use function FriendsOfHyperf\Helpers\Command\call;
+use function FriendsOfHyperf\Helpers\filled;
 use function FriendsOfHyperf\Helpers\object_get;
 use function FriendsOfHyperf\Helpers\preg_replace_array;
 
@@ -61,3 +64,35 @@
 
     expect(call('foo:bar', ['argument' => 'value']))->toBe(0);
 });
+
+test('test filled', function ($expect, $value) {
+    expect(filled($value))->toBe($expect);
+})->with([
+    [false, null],
+    [false, ''],
+    [false, '  '],
+    [false, new Stringable('')],
+    [false, new Stringable('  ')],
+    [true, 10],
+    [true, true],
+    [true, false],
+    [true, 0],
+    [true, 0.0],
+    [true, new Stringable(' FooBar ')],
+]);
+
+test('test blank', function ($expect, $value) {
+    expect(blank($value))->toBe($expect);
+})->with([
+    [true, null],
+    [true, ''],
+    [true, '  '],
+    [true, new Stringable('')],
+    [true, new Stringable('  ')],
+    [false, 10],
+    [false, true],
+    [false, false],
+    [false, 0],
+    [false, 0.0],
+    [false, new Stringable(' FooBar ')],
+]);